Home / 311,835.78-430,333.47-168,595.83

Finding the Fourth Proportional to 311,835.78, 430,333.47 and 168,595.83

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Solution

The fourth proportional to 311,835.78, 430,333.47 and 168,595.83 is: 232,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,835.78 : 430,333.47 = 168,595.83 : x
  2. Step 2: Convert to fraction form
    311,835.78/430,333.47 = 168,595.83/x
  3. Step 3: Cross multiply
    311,835.78x = 430,333.47 × 168,595.83
  4. Step 4: Simplify right side
    311,835.78x = 72,552,428,551.43
  5. Step 5: Solve for x
    x = 72,552,428,551.43/311,835.78
  6. Step 6: Final answer
    x = 232,662.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.